* {
    margin: 0 auto;
    padding: 0;
    text-align: center;
}

a {
    text-decoration: none;
}

#nav {
    height: 80px;
    width: 80%;
    background-color: #eeeeee;
    position: absolute;
    clear: both;
    margin-left: 10%;
}

#nav ul li {
    line-height: 80px;
    width: 100px;
    list-style: none;
    float: left;
    display: block;
    font-size: 20px;
    font-family: Arial, sans-serif;
}

#nav ul #logo {
    height: 80px;
    width: 100%;
}

#nav ul li a {
    color: #FFF;
    text-decoration: none;
    display: block;
    background-color: deepskyblue;
    border-right: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
}

#nav ul li ul li {
    line-height: 50px;
}

#nav ul li ul li a {
    background-color: lightseagreen;
}

#nav ul li a:hover {
    z-index: 999;
    background-color: deepskyblue;
    border-bottom: 1px solid #6666FF;
}

#nav ul li ul {
    display: none;
}

#nav ul li:hover ul {
    z-index: 999;
    display: block;
}

#nav ul li ul li a:hover {
    z-index: 999;
    background-color: #333333;
}

#icon-list {
    margin-left: 70%;
    text-align: center;
}
#icon-list #icon-msg{
    font-size: 1px;
    margin-right: 110px;
    color: dodgerblue;
}
#icon-list #icon-msg #icon-msg-1{
    margin-right: 10px;
}
#icon-list #icon-msg #icon-msg-2{
    margin-right: 15px;
}
#icon-list #icon-msg #icon-msg-3{
    margin-right: 30px;
}
#icon-list #icon-msg #icon-msg-4{
    margin-right: 20px;
}
#icon-list li {
    background-color: deepskyblue;
    height: 50px;
    width: 50px;
    border: black 1px solid;
    border-radius: 50%;
    margin-right: 10px;
    display: block;
    float: left;
    text-align: center;
}

#icon-list li a img {
    width: 100%;
    height: 100%;
}
#logout{
    background-color: deepskyblue;
    line-height: 40px;
}
#search {
    width: 80%;
    height: 80px;
    background-color: #91b5c1;
}

#search #search_text {
    box-shadow: 3px 3px 3px dodgerblue inset;
    border-radius: 6px;
    margin-top: 7px;
    line-height: 60px;
    width: 70%;
    float: left;
    text-align: left;
    font-size: 25px;
}

#search #search_button {
    background-color: deepskyblue;
    box-shadow: 3px 3px 3px deepskyblue inset;
    border-radius: 6px;
    float: left;
    margin-top: 7px;
    line-height: 60px;
    width: 10%;
}

#search #search_button1 {
    background-color: deepskyblue;
    box-shadow: 3px 3px 3px deepskyblue inset;
    border-radius: 6px;
    float: right;
    margin-top: 7px;
    line-height: 60px;
    width: 19%;
}

#main {
    width: 80%;
}

#box {
    cursor: default;
    list-style: none;
}

#box a {
    cursor: default;
}

#box a .preview {
    display: none;
}

#box a:hover .preview {
    display: block;
    position: absolute;
    top: -45px;
    left: -45px;
    z-index: 1;
}

#box img {
    background-color: deepskyblue;
    border-color: deepskyblue;
    border-style: solid;
    border-width: 1px;
    color: inherit;
    vertical-align: top;
    width: 283px;
    height: 283px;
}

#box li {
    background-color: deepskyblue;
    border-color: deepskyblue;
    border-style: solid;
    border-width: 1px;
    color: inherit;
    float: left;
    display: inline;
    margin: 3px;
    padding: 5px;
    position: relative;
}

#box .preview {
    border-color: #000000;
    width: 383px;
    height: 383px;
}

#tuijian {
    height: 80px;
    background-color: #dee3e9;
    width: 80%;
}

#tuijian ul li {
    float: left;
    line-height: 80px;
    text-align: center;
    overflow: hidden;
    margin-right: 16px
}

#tuijian ul li a:hover {
    color: red;
}

#tuijian ul .add_delete {
    float: right;
    line-height: 80px;
    text-align: center;
    overflow: hidden;
    margin-right: 16px
}

#tuijian ul .add_delete:hover {
    color: red;
}

.pagecent {
    height: 80px;
    text-align: center;
    line-height: 80px;
    width: 80%;
    clear: both;
    margin: 20px 0 20px 10%;
}

.pagecent a {
    display: inline-block;
    height: 80px;
    width: 80px;
    background-color: #fff;
    margin: 0 3px;
    color: #aaa
}

.pagecent span {
    display: inline-block;
    height: 80px;
    width: 80px;
    color: #ddd
}

.pagecent .on, .pagecent a:hover {
    background-color: #4998e7;
    color: #fff
}

.pagecent .handle {
    font: bolder 24px/36px 'simsun';
    background-color: transparent;
    vertical-align: -3px;
    text-shadow: #aaa 1px 0 0px, #aaa 0 1px 0px, #aaa -1px 0 0px, #aaa 0 -1px 0px;
}

.pagecent .handle:hover {
    color: #4998e7;
    background-color: transparent;
    text-shadow: #4998e7 1px 0 0px, #4998e7 0 1px 0px, #4998e7 -1px 0 0px, #4998e7 0 -1px 0px;
}

#footer {
    height: 400px;
    width: 80%;
    background-color: #66ccff;
}

#footer #left {
    float: left;
    width: 50%;
    clear: left;
}

#footer #right {
    float: right;
    width: 40%;
    clear: right;
}

#footer #right p {
    text-align: center;
    margin-top: 30px;
}

#gotop1 {
    width: 80px;
    position: fixed;
    bottom: 50px;
    cursor: pointer;
    z-index: 99998;
    right: 50%;
    margin-right: -720px;
}

/* 小火箭悬停特效 */

#gotop1:hover {
    animation: rubberBand 1s;
}

@keyframes rubberBand {
    from {
        transform: scale3d(1, 1, 1);
    }

    30% {
        transform: scale3d(1.25, 0.75, 1);
    }

    40% {
        transform: scale3d(0.75, 1.25, 1);
    }

    50% {
        transform: scale3d(1.15, 0.85, 1);
    }

    65% {
        transform: scale3d(.95, 1.05, 1);
    }

    75% {
        transform: scale3d(1.05, .95, 1);
    }

    to {
        transform: scale3d(1, 1, 1);
    }
}